Uracil相关论文
Theoretical studies on the adsorption behavior of uracil on Cu(110): Toward understanding the corros
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Tight control of intracellular uracil level is believed to be important for reducing the occurrence of uracil incorporat......
Uracil in DNA can be generated by cytosine deamination or dUMP misincorporation; however,its distribution in the human g......
Improving the Cpf1-mediated base editing system by combining dCas9/dead sgRNA with human APOBEC3A va
Base editor-mediated C-to-T base conversion obviates the requirements of double-strand breaks,thereby showing promise as......
利用表面增强喇曼散射(SERS)在灰银胶体系中研究了KCl对尿嘧啶分子吸附状态的影响,并将实验结果与Oh等人在黄银胶体系中的实验结果......
以CdSe量子点为荧光探针,基于荧光猝灭法对碱基尿嘧啶进行了定量检测,考察了缓冲液体系、反应时间、量子点浓度等多种因素的影响.......
Benign perfluoroalkylation of uracils and uracil nucleosides via visible light-induced photoredox ca
In this work,an efficient and facile method for the preparation of 5-perfluoroalkylated uracils and uracil nucleosides t......
Molecular Recognition of Bases and Nucleosides by Mono-substituted Mononuclear Complexes of 1,4,7,10
The mononuclear macrocyclic polyamine metal complexes 5a--5e have been shown to form stable 1: 1 complexes with basesan......
N’-(2tetrahydrofuranyl)-5-fluorourancil, C_8H_9FN_2O_3,, crystals are triclinic system, a=6.004(2),b=9.022(8),c=16.702......
The photolysis of uracil in phosphate-buffered saline (PBS, pH 8.0) under the irradiation of medium pressure mercury lam......
Synthesis of Polyphosphonates Containing 5-Flouro-N~1-furanyl-N~3- glyceroalkyl-uracil and Formyl Gr
A series of novel polyphosphonates containing 5-flouro- N1-furanyl-N3- glyceroalkyl-uracil and formyl groups was synthes......
The title compound, C15H22N3O9P?H2O, Mr=455.36, crystallizes in orthorhombic, space group P212121, with a =9.193(2), b =......
A semiempirical molecular dynamics model is developed to study the vibrational frequen cies of uracil at very low kineti......
目的:建立同时测定赤子爱胜蚓药材中尿嘧啶、次黄嘌呤、黄嘌呤、尿苷、腺苷含量的方法。方法:采用高效液相色谱法。色谱柱为Venusi......
Improved survival for hepatocellular carcinoma with portal vein tumor thrombosis treated by intra-ar
AIM: To investigate the poor prognosis of HCC with PVTT,we evaluated the efficacy by a new combination chemotherapy for ......
Enhancement of Antitumor Effect of Tegafur/Uracil(UFT) plus Leucovorin by Combined Treatment with Pr
We evaluated the antitumor effect of combined therapy with tegafur/uracil(UFT) plus leucovorin(LV) (UFT/LV) and protein-......
从泽泻（Alismaorientalis（Sam）.Juzep）块茎中分离得到六个化合物，经理化性质和波谱分析，分别鉴定为：胡萝卜甙（1）,1－二十二醇（2）。尿嘧啶核苷（3），β......
为寻找降糖活性成分 ,利用多种层析技术 ,从苦瓜 Momordica charantia果实的醇提物中分得 5个化合物。根据包括 2 D- NMR在内的各......
Uracil molecular imprinted membrane was prepared by phase inversion technique with [P(AN-co-MAA)] copolymer. SEM photogr......
目的 从青岛海星Asteriasrollestoni分离并确定结构新颖的活性化合物 ,并阐明海星中的次生代谢产物的多样性。方法 应用正相和反......
目的:研究中华大蟾蜍皮的水溶性成分。方法:利用反复硅胶柱色谱、Sephadex LH-20 凝胶柱色谱、重结晶等手段分离纯化蟾皮的水溶性......
目的分离并鉴定北五味子藤茎的化学成分。方法采用硅胶柱色谱、凝胶柱色谱、氧化铝柱色谱和重结晶等多种分离方法,对北五味子藤茎......
目的对海洋真菌Nigrospora sphaerica中的化学成分进行研究。方法采用硅胶柱色谱、凝胶以及HPLC等方法进行分离纯化,根据理化性质......
The present paper reports the determination of the configuration and Conformation of 1’ -a-methoxy-2’ -deoxy-2’-β-f......
目的:研究阔带凤丫蕨的化学成分。方法:采用色谱法进行分离,根据理化性质和波谱数据鉴定化合物的结构。结果:分离得到15个化合物,......
We have used quantum mechanical method to study the transition states(TSs) of uridine phosphorolysis reaction. Comparin......
Asymmetric synthesis of novel optically active nucleoside analogues 7 from natural tartaric acid is described. In the gi......
We report the characterization of a uracil-DNA glycosylase(UDG) from the hyperthermophilic archaea Pyrococcus furiosus(P......
Synthesis of Novel Nucleoside Analog (3R)-2,3-Dideoxy-3- (N-hydroxy-N-methylamino)-L-arabinofuranosy
The synthesis of novel nucleoside analog (3R)-2,3-dideoxy-3-(N-hydroxy-N- methylamino)-L-arabinofuranosyl uracil was st......
Michael addition reactions of uracil to acrylates were catalyzed by an alkaline protease from Bacillus subtilis in dimet......
Methyluracil and 5-nitro-6-methyluracil react with variable molar quantities of benzoyl chloride in acetonitrile-pyridin......
An efficient procedure for N-alkylation of pyrimidines and purines in the presence of tetra-n-butylammonium hydroxide(TB......
For the uracil-BX3 (X = F, Cl) systems, geometries and binding energies have been calculated by using the Lee-Young-Parr......
The molecular structures and electron affinities of 5-and 6-halouracils(XU,X=F,Cl,Br) were determined by means of five d......
Preparation of nucleoside-pyridine hybrids and pyridine attached acylureas from an unexpected uracil
Novel pyrimidine nucleoside-3,5-dicyanopyridine hybrids(4) or pyridine attached acylureas(5) were selectively and effici......
One practical and industrial procedure for preparation of 5-hydroxymethyluracil has been developed.This method has the a......
Successful treatment of multiple lung metastases of hepatocellular carcinoma by combined chemotherap
We report the successful treatment of multiple lung metastases after hepatic resection for hepatocellular carcinoma (HCC......
Exploration on the site-preference of the hydrogen bonding interactions between uracils and/or thymi
Understanding the mechanisms underlying the assembly of nucleobases is a great challenge. The ability to deeply understa......
5-碘尿嘧啶类化合物具有很好的生物学活性,并且是重要医药中间体,方便在5位引入多种基团.为了寻找一个简便有效的嘧啶环5位的碘代......
目的:合成新型17-取代雌二醇-嘧啶类衍生物,并研究其体外抗肿瘤活性。方法:以雌二醇为原料,三苯基氯甲烷保护3位羟基;经Williamson......
Statistical modeling and optimization for enhanced hyaluronic acid production by batch culture of Sr
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Synthesis and Biological Evaluation of Novel Uracil and 5-Fluorouracil-1-yl Acetic Acid-Colchicine C
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
[目的]研究普洱茶中的降糖降脂活性成分,以阐明其活性作用的物质基础,并可为药物的开发提供一条新的思路.[方法]以降糖降脂活性为......
In order to understand the molecules mechanism of ion irradiation,which has been widelyused in many fields such as cance......
A semiempirical molecular dynamics model is developed to study the vibrational frequencies of uracil at very low kinetic......
